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Old 07-18-2012, 11:42 AM
 
1,414 posts, read 1,867,669 times
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I've noticed that lots of stop lights around down have lights out. I think (but not sure) that they are LEDs as the light is made up of a series of small elements. It is common on the way to work to see a green light with a wedge shaped set of them being out or a line or two on or off.

Been that way for quite a bit of time. Is it some circuit that goes to the panel that goes on the fritz. LEDs, if that' what they are, usually don't burn out.

Anyone know?
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Old 07-18-2012, 04:46 PM
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Location: Ohio
16,814 posts, read 33,131,390 times
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Thermal problems. The delicate circuitry doesn't like the Texas heat.

I wonder if solder is melting in there.

Given what we learned recently about how much the LED lights on the Riverwalk are costing the city. I'd be interested to know whether the fix for a traffic light with inoperative LEDs is making them more expensive than the incandescents they replaced.
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Old 07-18-2012, 09:22 PM
 
Location: Tejas
443 posts, read 779,896 times
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I'll see this stop after stop along the same stretch of road. I can't help but wonder who was responsible for not doing their homework and getting us into this fiasco.
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Old 07-18-2012, 10:38 PM
 
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I wouldn't be surprised if the LED fixtures are being driven by the wrong voltage.
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Old 07-19-2012, 12:16 AM
 
Location: NW San Antonio
191 posts, read 241,360 times
Reputation: 179
Here along Culebra outside the loop they've been replacing the LED bulbs with what look like CFLs. Those should last longer. I don't even want to know how much the city paid for the LED lamps. They were probably told the lamps would be maintenance free for 10 years or more....Hah!
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Old 07-19-2012, 05:25 PM
 
211 posts, read 425,824 times
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I know LED's are replacing incandescent signals on the railroad. I see problems in the future.
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